57grs of N165 pushed the 162gr amaxs about 2950fps from a 26 inch barrel on a warm day going by what my bal cal tells me from entering the correct weather condition when it was zeroed.i chronied them at 2860fps in the cool winter temps.it shoots like a laser out to 600yds and tried a few at 1000yds that were ??.I use 180gr hybrids and 180gr scenar l's for shooting paper.